The BLOG — every article, every collection
Technical notes, sourcing guides and field cases on sealing liners for pharmaceutical, food and specialty packaging. Written by the people who make them, since 2001.
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6 collectionsProduct Knowledge
Technical notes on sealing liner construction, materials and applications — induction foil, hot melt, foam and pressure sensitive liners, and how each behaves on the filling line.
Browse 5 articles → SourcingBuying Guide
How to specify, compare and source sealing liners: cost structure, sampling, specification writing and the decisions that cannot be reversed later.
Browse 2 articles → OEM / ODMCustomization & OEM/ODM
Custom liner development from drawing to production: seal diameter, tooling, tolerances, documentation and private label programmes.
Browse 2 articles → Q&AFAQ
The questions buyers ask before the first order — answered directly, with the field experience behind each answer.
Browse 2 articles → MarketNEWS
Market movement, regulation and material trends shaping pharmaceutical and specialty packaging.
Browse 12 articles → Field notesINDUSTRY CASES
Field notes from real packaging lines: what failed, why it failed, and what changed in the specification afterwards.
Browse 8 articles →Latest articles
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Case Note: A Cosmetic Oil That Delaminated Its Seal Six Weeks After Filling
A cosmetic oil packed in PET bottles with a PE-sealant induction liner passed every test at filling and failed six weeks into stab

Case Note: A Pharmaceutical Bottle Line That Could Not Hold Seal Without Slowing Down
A liquid oral dose line was running at two thirds of its rated speed to hold seal integrity. The liner was not the problem and nei

Child-Resistant Closures and Induction Sealing: Where the Two Systems Conflict
Child-resistant closures are designed to be hard to remove, which is the opposite of what an induction sealer needs at the coil. H

What the Shift to Recyclable Monomaterial Bottles Means for Liner Specification
As pharmaceutical and cosmetic brands move from multi-layer to monomaterial HDPE and PET containers for recyclability, the sealing

Paperboard, Foam or PET Film: The Backing Layer Nobody Specifies and Everybody Notices
The backing layer of a sealing liner determines total thickness, cap feeder behaviour, printability and moisture sensitivity — yet

Seal Strength Is Not a Property of the Liner — It Is a Property of the Seal
Why peel strength measured on a liner sample predicts almost nothing about production performance, what the four variables of an a

Where the Cost of a Sealing Liner Actually Comes From
A cost-structure breakdown of an induction foil liner — sealant film, foil, release layer, backing, die amortisation, packing and

How to Write a Sealing Liner Specification That Suppliers Can Actually Quote
The eight fields a sealing liner specification needs, the three that are routinely left out and cause the most rework, and a speci

From Sample to Production: A Realistic Timeline for a Custom Liner Programme
A week-by-week breakdown of a custom sealing liner programme — dimensioning, die cutting, first samples, line qualification, compl
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